contactsurveys_dir      Directory for persistent storage of contact
                        surveys
delete_contactsurveys_files
                        Delete files in contactsurveys directory
delete_survey           Delete files for a given survey
download_survey         Download a survey from its Zenodo repository
get_citation            Get citation from a DOI
is_doi                  Checks if a character string is a DOI
list_surveys            List all surveys available for download
ls_contactsurveys       List files in contactsurveys cache
print.csbib             Print a csbib citation
